Telescope-sight for firearms.



lATENTEDNOV. 5. um.

F. PQBURTON. TELESCOPE SIGHT FOR FIREARMS.

APPLICATION rnjm) JULY 1, 1907.

UNITED STATES PATENT OFFICE.

FRANK F. BURTON, OF NEW HAVEN, O NNECTIOUT, ASSIGNOR TO WINCHESTER REPEATING ARMS CO, OF NEW HAVEN, CONNECTICUT, A CORPORATION.

TELESCOPESIGHT FQR FIREARMS.

Specification of Letters Patent.

Patented Nov. 5, .1907.

Application filed July L 1907- Serial No. 381.633:

To all whom it may concern." 7 l Be it known that I, FRANK Buri'roN, a citizen. of the United States, residing at New Haven, in the county of New Haven and State of Conn ecticut, have invented a new and useful Improvement Telescope- Sights for Firearms; and I do hereby declare the following, when taken in connection with the accoinpany ing drawings and the letters of reference marked thereon, to be a full, clear, and exact description of the same, 16 and which said drawings constitute part of this specification, and represent, in' I Figure 1 a broken View in side elevation ofa firearm provided with my improved telescope attachment. Fig. 2 a detached reverse plan view of the front end of the telescope showing the groove in it. Fig. 3a detached view partly in elevation and partly in vertical section of the front-support of the telescope. Fig. 4 a detached view partly in side elevation and partly in vertical section of the front support. Fig. 5 adetached viewof the plunger in front elevation. Fig. 6 a correspending View thereof in side'elevation.

My invention relates to an improvement upon the telescope sight for firearms shown and described in my pending application filed March 4, 1907, Serial No. 364,088, the object being to simplify the construction and reduce the expense of the device shown in the said application.

With these ends in view my invention consists in the construction and combination of parts to be hereinafter described and pointed out in th e claims.

In carrying out my present invention, I form a long groove 2 in the center of the lower face of the front end of the telescope 3; This groove receives a nose 4 atthe upper end of a chambered plunger 5 having a trans-' verse opening 6 receiving a pin 7 bywhich the plunger is retained in a vertical chamber 8 in the base or foot 9 of a band or ring 10, the said foot and ring forming the front telescope support. The upper portion of the inner periphery of the ring 10 is converted from front to rear, so as to form a bearing surface 10 against which the upper'face of the telescope is lifted by the said plunger under the influence of a spiral spring 11 which is located in the chamber 12 of the plunger 5 and which exerts a constant effort tolift the nose 4 thereof into the groove 2. The saidpin 7'being smaller in diameter than the opening 6, the plunger is left free to move vertically as well as to turn sufficiently to accommodate the lateral deflection of the telescope in providing for ziwi d gezr I I The foot 9 aforesaid is formed with a dovetail groove 13 receiving a dovetail block 14 secured to the top of the gunrbarrel 15. The said foot is provided with a thumbscrew Iii for being secured to the block 14. The extreme forwzlrd end 'of the groove 2 forms a stopshoulder 17 which co-acts with the nose 4 to limit the rearward sliding movement of the. telescope through the. ring 10 aforesaid and the ring 18 forming a part of the rear support of the telescope when the same is l grasped at its reiir end by the hand'and drawn back into its sighting position after the gun has been fired.

'As the rear support of the telescope forms no part of my present inventioh I will not describe it in detail. I It will be understood that at the tircc offiring the Y gun the same recoils, as it were, under the telescope 3 which is in effect moved forward with respect to the rings 10 and 18 through which the telescope must be pulled back by hand as explained before the telescope can be again used. It will be further understood that the coaction ofthe side walls of the groove 2 in the telescope 3 with the nose 4 of the plunger 5 permits the Y telescope to move longitudinally, but prevents it from rotation.

' 1. The combination with a telescope having a longitudlnargroove, of front and rear supports in which the said telescope is longitudinally movable, and a spring-actuated plunger mounted inone of the said supports and formed with-:1 nose entering the said groove, whereby the tele scope is guided in its longitudinal movement but prevented from rotation.

2. The combination with a telescopeflhaving a longitudlnal groove formed in the center-of the lower face of its front end, or front and rear supports in which the relescope is longitudinally movable, -and a spring-actuated plunger located in the frontsupport and formed with a nose entering the said groove, whereby the telescope is guided in its longitudinal movement but prevented from rotation. I I I 3. The combination with a telescope having a. longitudinal groove the front end of which forms a stop, of front and rear supports in which the said telescope is longitudi nally movable, and a springnctuated plunger mounted in one of the said supports and formed with a nose entering the said groove, whereby tlie'said telesope is not only 'guided in its longitudinal nmvement and prevented from rotation, but stopped against being pulled too far rearward through the said supports by the engagement of -tbe"f,orward-end wall of the said groove with the said noseof the plunger.

In testimony whereof, I have signed this specification in 1'00 the presence of two subscribing witnesses.

ZFRANK F. BURTON. 1

Witnesses:

THOMAS C. Jonxsox, FRANK A. PAUL. 

